On Tue, 14 Nov 2000, John Hayward wrote:

> > The PDP-11 is a 16 bit machine, period. That means you can only address
> > 64k bytes. Nothing strange about that.
> 
> As I recall some PDP-11s (11/70 I believe) had an instruction/data space
> separate mapping so that your instructions could be in 1 64k area and your
> data in another.

Correct. And it's a number of models, not just the 11/70. From my head:
11/45, 11/50, 11/55, 11/70, 11/74, 11/44, 11/53, 11/73, 11/83, 11/84,
11/93, 11/94.

	Johnny

Johnny Billquist                  || "I'm on a bus
                                  ||  on a psychedelic trip
email: bqt@update.uu.se           ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol